Owner's manual

Transient Voltage Suppression Diodes
36
TVS Diode Arrays (SPA
™
Family of Products)
©2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/24/13
Surface Mount – 1500W > SMCJ-HRA series
SMCJ-HRA Series
I-V Curve Characteristics
Voltage Transients
Time
Voltage Across TVS
Current Through TVS
Voltage or Current
Figure 1 - TVS Transients Clamping Waveform
Ratings and Characteristic Curves (T
A
=25°C unless otherwise noted)
1
10
100
0.000001 0.000010.00010.001
t
d
-Pulse Width (sec.)
P
PPM
-Peak Pulse Power (kW)
0.31x0.31" (8.0x8.0mm)
Copper Pad Area
Figure 2 - Peak Pulse Power Rating
Vc
V
BR
V R
I R
I T
I pp
V
Uni-directional
V F
Vc
V
BR
VR
IR
IT
Ipp
V
Vc
V
BR
VR
Ipp
IR
IT
Bi-directional
P
PPM
Peak Pulse Power Dissipation -- Max power dissipation
V
R
Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
V
BR
Breakdown Voltage--MaximumcurrentthatowsthoughtheTVSataspeciedtestcurrent(I
T
)
V
C
Clamping Voltage--PeakvoltagemeasuredacrossthesuppressorataspeciedIppm(peakimpulsecurrent)
I
R
Reverse Leakage Current -- Current measured at V
R
V
F
Forward Voltage Drop for Uni-directional
continues on next page.
3
Screen Process
100% vision inspection MIL-STD-750 method 2074
100%High Temperature Storage Life (168hrs,150C) MIL-STD-750 method 1031
100% X-RAY inspection MIL-STD-750 method 2076
100% Temperature cycle test (-55-150C, 20 cycles, dwell time 15 min) MIL-STD-750 method 1051
100% Reflow (2X) JEDECJ-STD-020
100% surge test (2x) MIL-STD-750 method 4066
100% HTRB(150C, Bias=VR(80% breakdown voltage), 96hrs),for Bi-
direction products, 96hrs for each direction
MIL–STD–750method1038
Final electrical test( 100% 3 sigma limit, 100% dynamic test and PAT
limit)
MIL-STD-750 method 4016.4021.4011
Note:Up-screenprogramcanbespeciedbycustomer’srequestviacontactingLittlefuseservice